Search for vulnerabilities
Vulnerability details: VCID-5c7n-hh4p-aaag
Vulnerability ID VCID-5c7n-hh4p-aaag
Aliases CVE-2020-6795
Summary When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-6795.html
rhas Important https://access.redhat.com/errata/RHSA-2020:0565
rhas Important https://access.redhat.com/errata/RHSA-2020:0574
rhas Important https://access.redhat.com/errata/RHSA-2020:0576
rhas Important https://access.redhat.com/errata/RHSA-2020:0577
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6795.json
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00477 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00477 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00477 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00477 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00684 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00688 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.00726 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
epss 0.01042 https://api.first.org/data/v1/epss?cve=CVE-2020-6795
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1801957
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6792
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6793
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6794
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6795
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6798
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6800
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-6795
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2020-6795
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2020-6795
archlinux Critical https://security.archlinux.org/AVG-1099
generic_textual Medium https://ubuntu.com/security/notices/USN-4328-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4335-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-4328-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-4335-1
generic_textual none https://www.mozilla.org/en-US/security/advisories/mfsa2020-07
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/#CVE-2020-6795
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-6795.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6795.json
https://api.first.org/data/v1/epss?cve=CVE-2020-6795
https://bugzilla.mozilla.org/show_bug.cgi?id=1611105
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6792
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6793
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6794
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6795
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6798
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6800
https://security.gentoo.org/glsa/202003-10
https://ubuntu.com/security/notices/USN-4328-1
https://ubuntu.com/security/notices/USN-4335-1
https://usn.ubuntu.com/4328-1/
https://usn.ubuntu.com/4335-1/
https://usn.ubuntu.com/usn/usn-4328-1
https://usn.ubuntu.com/usn/usn-4335-1
https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/#CVE-2020-6795
https://www.mozilla.org/security/advisories/mfsa2020-07/
1801957 https://bugzilla.redhat.com/show_bug.cgi?id=1801957
ASA-202002-9 https://security.archlinux.org/ASA-202002-9
AVG-1099 https://security.archlinux.org/AVG-1099
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
CVE-2020-6795 https://nvd.nist.gov/vuln/detail/CVE-2020-6795
mfsa2020-07 https://www.mozilla.org/en-US/security/advisories/mfsa2020-07
RHSA-2020:0565 https://access.redhat.com/errata/RHSA-2020:0565
RHSA-2020:0574 https://access.redhat.com/errata/RHSA-2020:0574
RHSA-2020:0576 https://access.redhat.com/errata/RHSA-2020:0576
RHSA-2020:0577 https://access.redhat.com/errata/RHSA-2020:0577
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6795.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6795
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6795
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6795
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.75636
EPSS Score 0.00451
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.